NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-17 T03:10:33 PDT
Help | Comment | NED Home

Redshift data point(s) for object NGC 3661

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   6689   31   0.022312   0.000103   1992AJ....103...11F
1 Optical 6689   31   0.022312   0.000103   1992AJ....103...11F
2 Optical 6802   31   0.022689   0.000103   2003AJ....126.2268W
3 21-cm HI line 6700     0.022349     1991RC3.9.C...0000d

Detailed information for each entry

No. 1
Name in publication  : NGC 3661                      
Coordinates          : 112106.                  -133200.         B1950
Features targeted    : Optical                       
Velocity or redshift :  6689           km/s                     z=   0.022312
Uncertainty          : +/-31                                    +/-  0.000103
Unc. Significance    : uncertainty
Reference Code       : 1992AJ....103...11F

Measurement Mode     :
    Spectral range   : Optical
    Spectrograph     : Long-slit spectrum
    Technique        : Cross-correlation fit to template spectrum
    Spatial mode     : Redshift is for nucleus only

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : From new, raw data

NED Comment          :                                         



No. 2 Name in publication : NGC 3661 Coordinates : 112338.4 -134949. J2000 Features targeted : Optical Velocity or redshift : 6802 km/s z= 0.022689 Uncertainty : +/-31 +/- 0.000103 Unc. Significance : uncertainty Reference Code : 2003AJ....126.2268W Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 3 Name in publication : MCG -02-29-022 Coordinates : 112107.3 -133324 B1950 Features targeted : 21-cm HI line Velocity or redshift : 6700 km/s z= 0.022349 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1991RC3.9.C...0000d Measurement Mode : Spectral range : Radio Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :



Back to NED Home